Identification of High- and Low-Cadmium (Cd)-Accumulating Rice Cultivars Using Combined Molecular Markers.

Chengcheng Wang, Fangfang Ding, Qinlei Rong, Zhihong Lu, Junru Fu, Chunhuo Zhou

Abstract read

In one paragraph

Article in Plants (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Chengcheng WangCollege of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China.

Fangfang DingCollege of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China.

Qinlei RongCollege of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China.

Zhihong LuCollege of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China.

Junru FuCollege of Agriculture, Jiangxi Agricultural University, Nanchang 330045, China.ORCID 0000-0003-4712-4652

Chunhuo ZhouCollege of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China.

Funding

National Natural Science Foundation of China (No. 32160752), and the Specific Fund for Soil Contamination Control of Jiangxi Province (JXNK202307-05) No. 32160752；JXNK202307-05

6 · The paper itself

Abstract

Rice grain is a primary dietary source of cadmium (Cd), a heavy metal toxic to humans. Reducing Cd accumulation in rice through selecting and breeding low-Cd-accumulating cultivars is very important. However, field-based screening for low-Cd rice cultivars remains labor-intensive and time-consuming. In this study, we identified molecular marker genotypes that can distinguish high- and low-Cd-accumulating rice cultivars. We developed corresponding genotypes for marker-assisted selection of low-Cd cultivars in both early and late rice varieties. Fifty-nine locally adapted, high-yielding early rice cultivars and thirty-seven locally adapted, high-yielding late rice cultivars were grown in two fields with different soil Cd levels and genotyped using molecular markers associated with grain Cd accumulation. We identified five early rice cultivars that consistently showed low Cd accumulation, with grain Cd concentrations below the food safety threshold of 0.2 mg kg

Indexed as

cadmium accumulationfood safetygenotypic variationmarker-assisted selectionrice cultivars

Identifiers

PMID41012083

DOI10.3390/plants14182931

PMCPMC12473944

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